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Even More PM Stats Analysis

by xdg (Monsignor)
on Jan 19, 2006 at 15:21 UTC ( #524249=monkdiscuss: print w/ replies, xml ) Need Help??

Since there seems to be persistant interest in perlmonks statistics, I thought I should post my latest quick-and-dirty analysis based on a new data set from demerphq. (And a big thank you for demerphq, too, for extracting those data!) That data set provides some insight into reputations of nodes in various categories and for various levels of monks, but bucketed in a way to maintain privacy.

Here's a table showing the average reputation per post by level for various categories. (I excluded many categories that had low sample sizes.) Of course, this is not based on any time series so it needs to be read quite literally. Monks of a current level had an average reputation of X across all their nodes in a given category (regardless of the level they were when it was originally posted.)

Current LevelRepliesSOPWMeditationsTutorialsPoemsCUFPObfuscatedNews
1362212132121-2
231020n/a1623189
341533252736289
4515414233352913
5514372531332917
671444162736349
771541623233359
8817452831443914
9918503134423720
10919454933473515
111019563340465216
121020565527364815
131121575341493216
141225585642484315
151222527059555317
161227617949495818
1712255771585710518
1813296111747574519
191433776959616324
201537744028473527
2115338211751723628
2215338123560667423
231847875538707531

I've posted a 3D chart of these data for those who like a graphical perspective.

There's a strong trend evident that the higher monk levels have higher reputations per post -- even in a category like Poetry, though that has the weakest trend. There are also some interesting outliers in the Obfuscated and Tutorials categories.

One thing that can be done with per-node-reputations is to estimate the amount of XP that they generated. (The assumptions behind the estimation break down for high-reputation nodes with high node-tension, but it's the best that can be done with the data at hand.)

That affords some insight into what categories node XP came from for monks of certain levels. Not surprisingly, more experienced monks get a greater percentage of their node XP from replies to other posts (though unfortunately, the data aren't yet available to say what category the reply is in). At the highest level, XP from Meditations is a significant outlier, perhaps due to one of the three Archbishops. (Possibly Ovid, based on a today's sampling from Selected Best Nodes.)

Again I've posted some charts to illustrate it:

-xdg

Code written by xdg and posted on PerlMonks is public domain. It is provided as is with no warranties, express or implied, of any kind. Posted code may not have been tested. Use of posted code is at your own risk.

Comment on Even More PM Stats Analysis
Re: Even More PM Stats Analysis
by ambrus (Abbot) on Jan 20, 2006 at 09:49 UTC

    I notice the large number at level 17 : Obfu. I guess that's because Erudil is of level 17. However, there's no corresponding peak in Meditations.

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